CN212907253U

CN212907253U - High-strength polyurethane glass fiber sleeve

Info

Publication number: CN212907253U
Application number: CN202021876349.9U
Authority: CN
Inventors: 杨建忠
Original assignee: Chongqing Haike Thermal Insulation Material Co Ltd
Current assignee: Chongqing Haike Thermal Insulation Material Co Ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-06
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a high strength polyurethane glass fiber sleeve pipe, including the glass fiber inner tube, the pipe wall has adhered to the water proof membrane in the glass fiber inner tube, glass fiber inner tube surface is adhered to has the polyurethane layer, polyurethane layer surface is adhered to has the protective layer, protective layer surface is adhered to has fire-retardant layer, fire-retardant layer outward appearance cambered surface is adhered to has the anticorrosive film, glass fiber inner tube, polyurethane layer, protective layer and fire-retardant layer structure as an organic whole, glass fiber inner tube front end fixedly connected with concave connector, and concave connector are the loop configuration, the internal diameter of concave connector equals the pipe diameter of glass fiber inner tube, and the external diameter of concave connector equals the diameter of fire-retardant layer, glass fiber inner tube rear end fixedly connected with convex connector. The utility model discloses a protruding joint makes things convenient for two glass fiber sheathed tube connections with concave joint, through protective layer protection polyurethane layer, convenient to use, functional strong.

Description

High-strength polyurethane glass fiber sleeve

Technical Field

The utility model relates to a glass sleeve field, in particular to high strength polyurethane glass fiber sleeve pipe.

Background

The polyurethane glass fiber sleeve is formed by weaving alkali-free glass fibers into a tube and then coating the tube with polyurethane for high-temperature treatment, and is widely applied to insulation protection of internal wire bundling of motors, household appliances, electric heating equipment, special lamps, televisions and electronic instruments and the like. The prior high-strength polyurethane glass fiber sleeve has the following disadvantages: 1. the existing high-strength polyurethane glass fiber sleeve needs to be connected by using a connecting tool when being connected, does not have the connecting function and is inconvenient to use; 2. most of the existing high-strength polyurethane glass fiber sleeves do not have the functions of corrosion resistance, flame retardance and the like, and the polyurethane layer of the existing high-strength polyurethane glass fiber sleeves does not have good protective measures and is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a high strength polyurethane glass fiber sleeve pipe, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high strength polyurethane glass fiber sleeve pipe, includes the glass fiber inner tube, the pipe wall adheres to there is the water proof membrane in the glass fiber inner tube, glass fiber inner tube surface is attached to have the polyurethane layer, polyurethane layer surface is attached to have the protective layer, protective layer surface is attached to have fire-retardant layer, fire-retardant layer outward appearance cambered surface is attached to have the anticorrosive film, glass fiber inner tube, polyurethane layer, protective layer and fire-retardant layer structure as an organic whole, glass fiber inner tube front end fixedly connected with concave connector, and concave connector are the loop configuration, the internal diameter of concave connector equals the pipe diameter of glass fiber inner tube, and the external diameter of concave connector equals the diameter of fire-retardant layer, glass fiber inner tube rear end fixedly connected with protruding connector.

Preferably, the protective layer is a composite material integrated structure of an outer rubber buffer layer, a woven steel mesh layer and an inner rubber buffer layer from outside to inside in sequence.

Preferably, the flame-retardant layer is a composite material integrated structure of an aluminum foil layer and a rock wool layer from outside to inside in sequence.

Preferably, the convex connector comprises a first connecting disc, the front end of the first connecting disc is fixedly connected with the rear end of the glass fiber inner tube, a first round hole is formed in the rear end of the first connecting disc, a connecting ring is fixedly connected with the rear end of the first connecting disc, and a plurality of circles of convex threads are arranged on the outer ring surface of the connecting ring.

Preferably, the concave connector comprises a second connecting disc, the rear end of the second connecting disc is fixedly connected with the front end of the glass fiber inner tube, a second round hole is formed in the front end of the second connecting disc, an outer ring and an inner ring are fixedly mounted at the front end of the second connecting disc, the diameter of the inner ring is smaller than that of the outer ring and larger than the diameter of the second round hole, and a plurality of circles of concave thread grooves are formed in the inner side wall of the outer ring.

Preferably, the width of the connection ring is equal to the distance from the outer ring to the inner ring.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the high-strength polyurethane glass fiber sleeve of the utility model is contacted with the outer rings of other concave connectors through the connecting ring in the convex connector, and then the convex connector is rotated to ensure that the convex thread of the connecting ring is clamped in the concave thread groove of the outer ring, thereby realizing the connection of two high-strength polyurethane glass fiber sleeves and having convenient use;

2. the utility model relates to a high strength polyurethane glass fiber sleeve pipe prevents through the anticorrosive coating that the sleeve pipe is corroded, realizes fire-retardant function through aluminium foil and rock wool in the fire-retardant layer, further strengthens sheathed tube waterproof ability through the waterproof coating, protects the polyurethane layer through the rubber in the protective layer, strengthens sheathed tube intensity through the woven steel mesh in the protective layer, the utility model discloses functional strong, and the polyurethane layer is difficult to the damage.

Drawings

FIG. 1 is a schematic sectional view of the overall structure of a high-strength polyurethane fiberglass sleeve of the present invention;

FIG. 2 is a detailed sectional schematic view of a high-strength polyurethane fiberglass sleeve of the present invention;

FIG. 3 is a schematic view of a female connector of a high strength polyurethane fiberglass sleeve of the present invention;

fig. 4 is a schematic view of the convex connector of the high-strength polyurethane glass fiber sleeve of the present invention.

In the figure: 1. a glass fiber inner tube; 2. a polyurethane layer; 3. a protective layer; 4. a flame retardant layer; 5. an anticorrosive film; 6. a male connector; 7. a female connector; 8. a water-resistant film; 31. an outer rubber cushion layer; 32. weaving a steel mesh layer; 33. an inner rubber cushion layer; 41. an aluminum foil layer; 42. a rock wool layer; 61. a first splice tray; 62. a connecting ring; 63. a first circular hole; 64. a male thread; 71. an outer ring; 72. an inner ring; 73. a second circular hole; 74. a female thread groove; 75. and a second connecting disc.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a high strength polyurethane glass fiber sleeve, including glass fiber inner tube 1, the inner tube wall of glass fiber inner tube 1 is attached with water proof membrane 8, the outer surface of glass fiber inner tube 1 is attached with polyurethane layer 2, the outer surface of polyurethane layer 2 is attached with protective layer 3, the outer surface of protective layer 3 is attached with fire-retardant layer 4, the outer arc surface of fire-retardant layer 4 is attached with anticorrosive film 5, glass fiber inner tube 1, polyurethane layer 2, protective layer 3 and fire-retardant layer 4 are structure as an organic whole, glass fiber inner tube 1 front end fixedly connected with concave connector 7, and concave connector 7 is the loop configuration, the internal diameter of concave connector 7 equals the pipe diameter of glass fiber inner tube 1, and the external diameter of concave connector 7 equals the diameter of fire-retardant layer 4, glass fiber inner tube 1 rear end fixedly connected with convex.

The protective layer 3 is of a composite material integrated structure of an outer rubber buffer layer 31, a woven steel mesh layer 32 and an inner rubber buffer layer 33 from outside to inside in sequence, the outer rubber buffer layer 31 and the inner rubber buffer layer 33 play a role in protecting the polyurethane layer 2, and meanwhile, the toughness of the sleeve is improved; the flame-retardant layer 4 is a composite material integrated structure of an aluminum foil layer 41 and a rock wool layer 42 from outside to inside in sequence, and the aluminum foil layer 41 and the rock wool layer 42 play a role in flame retardance; the convex connector 6 comprises a first connecting disc 61, the front end of the first connecting disc 61 is fixedly connected with the rear end of the glass fiber inner tube 1, a first round hole 63 is formed in the rear end of the first connecting disc 61, a connecting ring 62 is fixedly connected with the rear end of the first connecting disc 61, a plurality of circles of convex threads 64 are arranged on the outer side ring surface of the connecting ring 62, the convex connector 6 is made of soft materials, and the diameter of the first round hole 63 is equal to that of the glass fiber inner tube 1; the concave connector 7 comprises a second connecting disc 75, the rear end of the second connecting disc 75 is fixedly connected with the front end of the glass fiber inner tube 1, the front end of the second connecting disc 75 is provided with a second round hole 73, the front end of the second connecting disc 75 is fixedly provided with an outer ring 71 and an inner ring 72, the diameter of the inner ring 72 is smaller than that of the outer ring 71 and larger than that of the second round hole 73, the inner side ring wall of the outer ring 71 is provided with a plurality of circles of concave thread grooves 74, the concave connector 7 is made of soft materials, the lengths of the outer ring 71 and the inner ring 72 are equal to that of the connecting ring 62, and the diameter of the second round hole; the width of the connection ring 62 is equal to the distance from the outer ring 71 to the inner ring 72, and the connection ring 62 can be completely screwed with the female connector 7.

It should be noted that the utility model relates to a high strength polyurethane glass fiber sleeve, play the effect of protection polyurethane layer 2 through protective layer 3, outer rubber buffer layer 31 and interior rubber buffer layer 33 in protective layer 3 play the effect of double buffering protection, woven steel mesh layer 32 in protective layer 3 has strengthened the intensity of sleeve pipe, play fire-retardant effect through fire-retardant layer 4, aluminium foil layer 41 and rock wool layer 42 in fire-retardant layer 4 are cheap, fire-retardant effect is good, play the effect of avoiding the sleeve pipe to be corroded through anticorrosive film 5, further strengthen the waterproof ability of sleeve pipe through waterproof film 8, when two sleeve pipes need to be connected, contact a sheathed tube convex connector 6 with another sheathed tube concave connector 7, then rotate convex connector 6, make go-between 62 in the convex connector 6 and the outer loop threaded connection in concave connector 7 fix the connector, the utility model is convenient to use, good practicability and strong functionality, and is beneficial to the use of the high-strength polyurethane glass fiber sleeve.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high strength polyurethane glass fiber sleeve pipe, includes glass fiber inner tube (1), its characterized in that: a waterproof film (8) is attached to the inner tube wall of the glass fiber inner tube (1), a polyurethane layer (2) is attached to the outer surface of the glass fiber inner tube (1), a protective layer (3) is attached to the outer surface of the polyurethane layer (2), a flame retardant layer (4) is attached to the outer surface of the protective layer (3), an anti-corrosion film (5) is attached to the cambered surface of the outer surface of the flame-retardant layer (4), the glass fiber inner tube (1), the polyurethane layer (2), the protective layer (3) and the flame-retardant layer (4) are of an integral structure, the front end of the glass fiber inner tube (1) is fixedly connected with a concave connector (7), the concave connector (7) is of an annular structure, the inner diameter of the concave connector (7) is equal to the pipe diameter of the glass fiber inner pipe (1), and the outer diameter of the concave connector (7) is equal to the diameter of the flame-retardant layer (4), and the rear end of the glass fiber inner tube (1) is fixedly connected with a convex connector (6).

2. The high strength polyurethane fiberglass sleeve of claim 1, wherein: the protective layer (3) is of a composite material integrated structure comprising an outer rubber buffer layer (31), a woven steel mesh layer (32) and an inner rubber buffer layer (33) from outside to inside in sequence.

3. The high strength polyurethane fiberglass sleeve of claim 1, wherein: the flame-retardant layer (4) is of a composite material integrated structure of an aluminum foil layer (41) and a rock wool layer (42) from outside to inside in sequence.

4. The high strength polyurethane fiberglass sleeve of claim 1, wherein: protruding connector (6) are including first flange (61), first flange (61) front end and glass fiber inner tube (1) rear end fixed connection, first flange (61) rear end is opened has first round hole (63), first flange (61) rear end fixed connection has go-between (62), go-between (62) outside ring face is provided with a plurality of rings of protruding screw thread (64).

5. The high strength polyurethane fiberglass sleeve of claim 1, wherein: concave joint head (7) include second connection pad (75), second connection pad (75) rear end and glass fiber inner tube (1) front end fixed connection, second connection pad (75) front end is opened has second round hole (73), second connection pad (75) front end fixed mounting has outer ring (71) and inner ring (72), and inner ring (72) diameter is less than outer ring (71) diameter, is greater than second round hole (73) aperture, the inboard rampart of outer ring (71) is opened has a plurality of circles concave thread groove (74).

6. The high strength polyurethane fiberglass sleeve of claim 4, wherein: the width of the connecting ring (62) is equal to the distance from the outer ring (71) to the inner ring (72).